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AppleHDA ALC268 Shutdown Issues [SOLVED!]


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Kills Kalyway's ability to shutdown but works with iATKOS - up until you install Leopard Graphics Update and then you have the same shutdown problem.

 

In both cases Vanilla/EFI/MBR - sound is ALC628

 

** If you use your laptop on the road, uninstall that AppleHDA.kext. If you fail to notice that your laptop hasn't shutdown fully - the screen is black, suggesting you're shutdown and unless the power LED is prominant it's easy to overlook - your laptop can end up cooking in your carry bag. No thermal cut out circuit saved my HPDV6205US. **

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Kills Kalyway's ability to shutdown but works with iATKOS - up until you install Leopard Graphics Update and then you have the same shutdown problem.

 

In both cases Vanilla/EFI/MBR - sound is ALC628

 

** If you use your laptop on the road, uninstall that AppleHDA.kext. If you fail to notice that your laptop hasn't shutdown fully - the screen is black, suggesting you're shutdown and unless the power LED is prominant it's easy to overlook - your laptop can end up cooking in your carry bag. No thermal cut out circuit saved my HPDV6205US. **

 

 

On acer 4310 laptop tested both on kalyway and iatkos.

Video GMA950

 

Natit.kext+integratedbuffer without taruga's alc268 patcher=shutdown

Taruga's alc268 without natit.kext and integratedbuffer=shutdown

Natit.kext+integratedbuffer+taruga's alc268 patcher=No Shutdown.

 

It seems Natit.kext and Alc268 patcher can not co exist on my MACer laptop.

 

By the way also tried the GMA950 GFX string no mouse tearing but no shutdown with Alc268 patcher.

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If you remove the AppleHDA.kext and repair permissions you should find shutdown works. In my case it was always AppleHDA.kext, modded by the Taruga patch. I'm told a 10.5.2 compatible one is being worked on. If you're using a laptop and want to avoid any risk of it frying, shut down is more imporant that sound from the headphone socket and a working microphone socket. Besides, you can get a USB soundcard, which are cheap and excellent, though check for os x compatibility first.

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damn i to wish there was a fix for this. I cant stand not being able to shutdown. My laptop has almost over heated on me like 3 times because i did not notice it was not shutdown.

 

I also have a post on taruga forum and alc862 and shutdown, no volume and skipping problems. He said he would look into it. Hopefully we will get a fix for this soon.

 

Also incase you guys did not know. ALC880, ALC268 and ALC861/862 are all in the same family. So theoretically if one works they all should be able to be figured out relatively easily.

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damn i to wish there was a fix for this. I cant stand not being able to shutdown. My laptop has almost over heated on me like 3 times because i did not notice it was not shutdown.

 

I also have a post on taruga forum and alc862 and shutdown, no volume and skipping problems. He said he would look into it. Hopefully we will get a fix for this soon.

 

Also incase you guys did not know. ALC880, ALC268 and ALC861/862 are all in the same family. So theoretically if one works they all should be able to be figured out relatively easily.

I hope so. This killed one laptop of mine and with the other I am using a USB soundcard, which isn't exactly the very last word in portable.
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  • 2 weeks later...

Hello, I'm using a HP Pavilion 9450eb, sound chip ALC268.

 

But System Info says that the chip ID is 0x103C30CC instead of 0x10EC0268

 

I know that the 268 works with Taruga Patcher. Anyone has an idea? Should I edit some file and replace the value? (I hope it's as easy as that)

 

If it helps, I have the shutdown issue. (My fix : tell the laptop to reboot and shut it down with the power button at BIOS screen)

 

Thanks a lot

 

 

EDIT : Oh no, I replied in the wrong topic! Very, very sorry.

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  • 2 weeks later...
  • 3 weeks later...

I dont know if i understood your problems

but i think i have the same issue

I have an Acer 5720Z laptop with ALC268 as yours

of course it s not working out of the box after installing any distro's

So i found taruga's ALC268 AppleHDA and it did worked!!!!!

but after about 5mins. of playing sound using iTunes my computer reboots!!!!

Any fix on this?

Are we having the same issue?

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Hi, I had the same problem on a Toshiba A205-S5825 I'm installing. Shutdown doesn't work anymore. I'm running 10.5.3 installed from a retail DVD + 10.5.3 combo update + Pc_Efi 8, vanilla kernel.

 

SOLUTION: Use AppleHDA.kext from Taruga but, instead of using ALCinject.kext, use HDAEnabler.kext. IT WORKS!

 

Links:

 

Taruga patch: http://forum.insanelymac.com/index.php?act...st&id=20138 (just use AppleHDA from this file)

HDAEnabler included below (credits to the guy who made it)

 

Just put those files on extensions folder, repair and reboot.

HDAEnabler.kext.zip

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I will try HDA enabler, i've found an another solution here, but it breaks my Hack with a boucle at boot (Just boot in single and remove LOADHDA and kexts)But it seems to work for some people !!!HDAenabler works great but doesn't make shutdown works for me (10.5.3 ALC660), problem is really AppleHDA.kext....

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I have acer aspire 2920z with alc268 chipset sound.. Sometime i get the shutdown problem sometiime i dont. First time few time after a fresh install it didnt had the shutdown problem. Updated to 10.5.3 first time i didnt have shutdown problem didnt update to 9.3.0 kernel at this point. 2nd shutdown i found the problem. After update the kernel 2 shutdown no problem then it come back. ... any cure to this yet?

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I will try HDA enabler, i've found an another solution here, but it breaks my Hack with a boucle at boot (Just boot in single and remove LOADHDA and kexts)But it seems to work for some people !!!HDAenabler works great but doesn't make shutdown works for me (10.5.3 ALC660), problem is really AppleHDA.kext....

 

Ok i tried the FIX on the above link. For the first time my Acer aspire 4310 shutdown!

 

Thanks for the link Wiwi.

 

Here's my laptop specs.

 

Acer Aspire 4310

T5300 Core2Duo(1.73)

2x1GB DDR2 667

160GB SATA HDD

ALC268

 

iATKOSv2.0 w/9.2 speedstep kernel.

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